SALES, R. [. (1978). Children's Britannica 20: Indexs - atlas. Encyclopaedia Britannica International.
Chicago-čujuhus (17. p.)SALES, Robin [Ed.]. Children's Britannica 20: Indexs - Atlas. London: Encyclopaedia Britannica International, 1978.
MLA-čujuhus (9. p.)SALES, Robin [Ed.]. Children's Britannica 20: Indexs - Atlas. Encyclopaedia Britannica International, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.